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Android Studio Battery Checker 2-4
public class BatteryReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
/* 省略 */
if (action != null && action.equals(Intent.ACTION_BATTERY_CHANGED)) {
/* 省略 */
// 画像を表示
if (percentage >= 90) {
batteryImage.setImageResource(R.drawable.b100);
} else if (percentage >= 65) {
batteryImage.setImageResource(R.drawable.b75);
} else if (percentage >= 40) {
batteryImage.setImageResource(R.drawable.b50);
} else if (percentage >= 15) {
batteryImage.setImageResource(R.drawable.b25);
} else {
batteryImage.setImageResource(R.drawable.b0);
}
}
}
}
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